LYMPH NODULE Meaning and
Definition
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A lymph nodule is a small, rounded structure found in the lymphatic system. It is a cluster of lymphatic cells and is often referred to as a lymphoid nodule or lymphatic follicle. These nodules are strategically located throughout the body, primarily in the lymph nodes, tonsils, and spleen.
Lymph nodules play a vital role in the immune system's defense against invading pathogens and foreign substances. They act as filters, trapping antigens such as bacteria, viruses, or other harmful particles that enter the body. Lymphocytes, a type of white blood cell, are concentrated within these nodules, working together to identify and destroy these foreign agents.
The lymph nodules are composed of different types of lymphoid cells, including B cells, T cells, and macrophages. B cells are responsible for producing antibodies that specifically target and neutralize antigens. T cells, on the other hand, are involved in cell-mediated immunity, directly attacking infected or abnormal cells. Macrophages play a role in phagocytosis, engulfing and eliminating harmful substances.
When an infection occurs nearby, lymph nodules may be activated, leading to their enlargement or swelling. This is often noticeable as swollen lymph nodes in the neck, armpits, or groin. The activation of lymph nodules indicates an active immune response to combat infection.
In summary, lymph nodules are small clusters of lymphatic cells found in various organs of the lymphatic system. They contribute significantly to the body's immune defense by filtering harmful substances and coordinating immune responses against pathogens and foreign materials.
Common Misspellings for LYMPH NODULE
- kymph nodule
- pymph nodule
- oymph nodule
- ltmph nodule
- lgmph nodule
- lhmph nodule
- lumph nodule
- l7mph nodule
- l6mph nodule
- lynph nodule
- lykph nodule
- lyjph nodule
- lymoh nodule
- lymlh nodule
- lym0h nodule
- lympg nodule
- lympb nodule
- lympn nodule
- lympj nodule
- lympu nodule
Etymology of LYMPH NODULE
The term "lymph nodule" is a compound word that combines two separate words: "lymph" and "nodule".
1. "Lymph" comes from the Latin word "lympheus" derived from the Greek word "lymphe" meaning "clear liquid". It refers to the clear, colorless fluid that circulates in the lymphatic system of the body.
2. "Nodule" comes from the Latin word "nodulus", which means "little knot" or "small swelling". It is a diminutive form of "nodus", meaning "knot". In the context of medicine, a nodule refers to a small, rounded mass or swelling.
Therefore, the etymology of the term "lymph nodule" suggests that it refers to a small swelling or mass within the lymphatic system.
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